kaspad/app/protocol/flows/v5/addressexchange/receiveaddresses.go
Michael Sutton e5598c15a7
Fix ibd shared past negotiation to be non quadratic also in the worst-case (#1969)
* add p2p v5 which is currently identical to v4

* set all internal imports to v5

* wip

* set default version to 5

* protobuf gen for new ibd chain locator

* wire for new ibd chain locator types

* new ibd shared block algo -- only basic test passing

* address the case where pruning points disagree, now both IBD tests pass

* protobuf gen for new past diff request message

* wire for new request past diff message

* handle and flow for new request past diff message - logic unimplemented yet

* implement ibd sync past diff of relay and selected tip

* go fmt

* remove unused methods

* missed one err check

* addressing simple comments

* apply the traversal limit logic and sort headers

* rename pastdiff -> anticone

* apply Don't relay blocks in virtual anticone #1970 to v5

* go fmt

* Fixed minor comments

* Limit the number of chain negotiation restarts
2022-03-13 11:27:50 +02:00

40 lines
1.3 KiB
Go

package addressexchange
import (
"github.com/kaspanet/kaspad/app/appmessage"
"github.com/kaspanet/kaspad/app/protocol/common"
peerpkg "github.com/kaspanet/kaspad/app/protocol/peer"
"github.com/kaspanet/kaspad/app/protocol/protocolerrors"
"github.com/kaspanet/kaspad/infrastructure/network/addressmanager"
"github.com/kaspanet/kaspad/infrastructure/network/netadapter/router"
)
// ReceiveAddressesContext is the interface for the context needed for the ReceiveAddresses flow.
type ReceiveAddressesContext interface {
AddressManager() *addressmanager.AddressManager
}
// ReceiveAddresses asks a peer for more addresses if needed.
func ReceiveAddresses(context ReceiveAddressesContext, incomingRoute *router.Route, outgoingRoute *router.Route,
peer *peerpkg.Peer) error {
subnetworkID := peer.SubnetworkID()
msgGetAddresses := appmessage.NewMsgRequestAddresses(false, subnetworkID)
err := outgoingRoute.Enqueue(msgGetAddresses)
if err != nil {
return err
}
message, err := incomingRoute.DequeueWithTimeout(common.DefaultTimeout)
if err != nil {
return err
}
msgAddresses := message.(*appmessage.MsgAddresses)
if len(msgAddresses.AddressList) > addressmanager.GetAddressesMax {
return protocolerrors.Errorf(true, "address count exceeded %d", addressmanager.GetAddressesMax)
}
return context.AddressManager().AddAddresses(msgAddresses.AddressList...)
}